Machine element or mechanism – Gyroscopes – Gyroscope control
Reexamination Certificate
2005-12-13
2005-12-13
Pang, Roger (Department: 3681)
Machine element or mechanism
Gyroscopes
Gyroscope control
C074S005220, C114S121000
Reexamination Certificate
active
06973847
ABSTRACT:
A gyroscopic roll stabilizer for a boat. The stabilizer includes a flywheel, a flywheel drive motor configured to spin the flywheel about a spin axis, an enclosure surrounding a portion or all of the flywheel and maintaining a below-ambient pressure or containing a below-ambient density gas, a gimbal structure configured to permit flywheel precession about a gimbal axis, and a device for applying a torque to the flywheel about the gimbal axis. The flywheel, enclosure, and gimbal structure are configured so that when installed in the boat the stabilizer damps roll motion of the boat. Preferably, the flywheel drive motor spins the flywheel at high tip speeds.
REFERENCES:
patent: 769493 (1904-09-01), Schlick
patent: 769693 (1904-09-01), Forbes
patent: 874255 (1907-12-01), Skutsch
patent: 907907 (1908-12-01), Sperry
patent: 919004 (1909-04-01), Haines
patent: 989958 (1911-04-01), Frahm
patent: 1021116 (1912-03-01), Ure
patent: 1071735 (1913-09-01), Haagenson
patent: 1093159 (1914-04-01), Thomson
patent: 1150311 (1915-08-01), Sperry
patent: 1183530 (1916-05-01), Brennan
patent: 1186339 (1916-06-01), Schuler
patent: 1186856 (1916-06-01), Sperry
patent: 1232619 (1917-07-01), Sperry
patent: 1236204 (1917-08-01), Norden
patent: 1236993 (1917-08-01), Sperry et al.
patent: 1421854 (1922-07-01), Sperry
patent: 1558720 (1925-10-01), Thompson
patent: 1571264 (1926-02-01), Gretsch
patent: 1640549 (1927-08-01), Lamme
patent: 1655800 (1928-01-01), Schein
patent: 1709457 (1929-04-01), Boykow
patent: 1730941 (1929-10-01), Myers
patent: 1964869 (1934-07-01), Boykow
patent: 2046735 (1936-07-01), Frisch et al.
patent: 2130929 (1938-09-01), Rocard
patent: 3576134 (1971-04-01), Fersht
patent: 3944840 (1976-03-01), Troll
patent: 4200168 (1980-04-01), Moog
patent: 4458554 (1984-07-01), Hrastar
patent: 5203727 (1993-04-01), Fukui
patent: 5614777 (1997-03-01), Bitterly et al.
patent: 5628267 (1997-05-01), Hoshio et al.
patent: 5632222 (1997-05-01), Fido
patent: 5816098 (1998-10-01), Kanki et al.
patent: 6162314 (2000-12-01), Kassuelke et al.
patent: 6427616 (2002-08-01), Hagen
patent: 6619221 (2003-09-01), Umemura et al.
patent: 1349777 (1974-04-01), None
GG2479 Turn Rate Gyroscope, Honeywell International Inc. Brochure (Jul. 16, 2003).
Ferry, “Gyroscopic Anti-Roll Devices for Ships,”Applied Gyrodynamics for Students, Engineers and Users of Gyroscopic Apparatus, Chapter II, pp. 44-104 (1933).
Ferry, “Gyroscopic Anti-Roll Devices for Ships,”Applied Gyrodynamics for Students, Engineers and Users of Gyroscopic Apparatus, Chapter IV, pp. 131-161 (1933).
Sperry, “The Gyroscope for Marine Purposes,” Society of Naval Architects and Marine Engineers, New York (1910).
Sperry, “Active Type of Stabilizing Gyro,” Society of Naval Architects and Marine Engineers, New York (1912).
Sperry, “Some Graphic Studies of the Active Gyro Stabilizer,” Society of Naval Architects and Marine Engineers, New York (1913).
Sperry, “Recent Progress with the Active Type of Gyro-Stabilizer for Ships,” Society of Naval Architects and Marine Engineers, New York (1915).
Burger et al.,Ship Stabilizers—A Handbook for Merchant Navy Officers,Pergamon Press (1966).
Video of Mitsubishi Heavy Industries, Ltd., Anti-Rolling Gyro.
Mitsubishi Heavy Industries, Ltd., Anti Rolling Gyro MSM-2000 (2000).
Mitsubishi Heavy Industries, Ltd., Anti Rolling Gyro MSM-4000 (2000).
Adams John D.
McKenney Shepard W.
Gearloose Engineering, Inc.
Pang Roger
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